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12672-29-6

12672-29-6

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12672-29-6 Usage

Chemical Properties

Viscous, oily, light yellow to yellow-green, mobile, dense, nonflammable liquid with a faint odor

Uses

In epoxy resins to improve adhesion and resistance to chemical attack; as an insulator fluid for electric condensers and as an additive in very high pressure lubricants. In fluorescent and highintensity discharge ballasts manufactured prior to 1979 (U.S. EPA, 1998). PCB-1248 and PCB-1254 were used instead of silicone oils in vacuum pumps (Monsanto, 1960). At a concentration of 5 to 25 wt %, increased the effective kill-life of the lindane spray up to 10 times. May have been used in chlordane and BHC insecticide formulations (Monsanto, 1960).

General Description

Viscous oily liquid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Simple aromatic halogenated organic compounds are very unreactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms.

Fire Hazard

Some may burn but none ignite readily. Containers may explode when heated. Some may be transported hot.

Safety Profile

Suspected human carcinogen. Moderately toxic by skin contact. Experimental teratogenic and reproductive effects. When heated to decomposition it emits toxic fumes of Cl-. Used in heat transfer, hydraulic fluids, lubricants, and insecticides. See also POLYCHLORINATED BIPHENYLS.

Environmental fate

Biological. Reported degradation products by the microorganism Alcaligenes BM-2 for a mixture of polychlorinated biphenyls include monohydroxychlorobiphenyl, 2-hydroxy-6- oxochlorophenylhexa-2,4-dieonic acid, chlorobenzoic acid, chlorobenzoylpropionic acid, chlorophenylacetic acid, and 3-chlorophenyl-2-chloropropenic acid (Yagi and Sudo, 1980). When PCB-1248 (5 and 10 mg/) was statically incubated in the dark at 25 °C with yeast extract and settled domestic wastewater inoculum, no biodegradation was observed (Tabak et al., 1981). Chemical/Physical. Heating PCB-1248 in oxygen at 270–300 °C for 1 wk resulted in the formation of mono-, di-, tri-, tetra-, and pentachlorodibenzofurans (PCDFs). At temperatures greater than 330 °C, PCDFs decompose (Morita et al., 1978). PCB-1248 will not hydrolyze to any reasonable extent (Kollig, 1993). When PCB-1248 was heated up to 315 °C in a closed system, no appreciable decomposition was observed (Monsanto, 1960). Mackay and Wolkoff (1973) estimated an evaporation half-life of 58.3 min from a surface water body that is 25 °C and 1 m deep.

Check Digit Verification of cas no

The CAS Registry Mumber 12672-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,6,7 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12672-29:
(7*1)+(6*2)+(5*6)+(4*7)+(3*2)+(2*2)+(1*9)=96
96 % 10 = 6
So 12672-29-6 is a valid CAS Registry Number.
InChI:InChI=1/C12H6Cl4/c13-9-1-7(2-10(14)5-9)8-3-11(15)6-12(16)4-8/h1-6H

12672-29-6 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
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  • Supelco

  • (47966)  Aroclor1248solution  certified reference material, 500 mg/kg in transformer oil

  • 12672-29-6

  • 000000000000047966

  • 1,389.96CNY

  • Detail

  • Supelco

  • (47965-U)  Aroclor1248solution  certified reference material, 50 mg/kg in transformer oil

  • 12672-29-6

  • 47965-U

  • 1,047.15CNY

  • Detail

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